Auto Levels B series

Achieve unparalleled precision and reliability in your fieldwork with the Auto Levels B Series from Mount Laser.
This Auto Levels B Series versatile lineup, comprising：
Auto Levels B20
Auto Levels B30
Auto Levels B30A
Auto Levels B40
Auto Levels B40A models, is engineered to meet the rigorous demands of any auto level survey. From high-precision construction staking to general grading work, there is a B Series instrument perfectly suited for your project’s accuracy requirements.
When planning your next auto level survey, the choice of equipment is critical, and the B Series provides the trusted performance professionals count on. Investing in a robust auto level survey tool has never been more accessible, thanks to the B Series’ combination of advanced features and exceptional value.

The series offers a range of accuracies, from a high-precision 0.7mm (B20) to a robust 2.0mm standard deviation per 1km double-run leveling, ensuring data integrity for every task.

Auto Levels B series Specifications

Model No.	B20	B30	B30A	B40	B40A
Brand	TP/ SK	TP/ SK	TP/ SK	TP/ SK	TP/ SK
Standard Deviation for 1km Double-run Leveling	0.7mm	1.5mm	2.0mm	2.0mm	1.5mm
Telescope Magnification	32X	28X	24X	24X	28X
Telescope Image	Erect	Erect	Erect	Erect	Erect
Shortest Sighting Distance	0.3m	0.3m	0.3m	0.3m	0.3m
View distance error	≤±0.4%	≤±0.4%	≤±0.4%	≤±0.4%	≤±0.4%
Effective Aperture Size of Object Lens	42mm	36mm	36mm	32mm	32mm
Resolution	≤3.0″	≤3.5″	≤3.5″	≤4.0″	≤4.0″
Angle of view	1°25′	1°25′	1°25′	1°25′	1°25′
Focusing Error	≤0.5mm	≤1.0mm	≤1.0mm	≤1.0mm	≤1.0mm
Compensator Type	Magnetic-Damping	Magnetic-Damping	Magnetic-Damping	Magnetic-Damping	Magnetic-Damping
Compensator Working Range	±15′	±15′	±15′	±15′	±15′
Compensating Error	≤0.3″	≤0.5″	≤0.5″	≤0.5″	≤0.5″
Reticle	Wedge Shape	Cross Reticle	Cross Reticle	Cross Reticle	Cross Reticle
Setting Accuracy	±0.3″	±0.5″	±0.5″	±0.5″	±0.5″
Setting Time	≤ 1.5S	≤ 1.5S	≤ 1.5S	≤ 1.5S	≤ 1.5S
Stadia Multiplying Constant	100	100	100	100	100
Stadia Additive Constant	0	0	0	0	0
Sensitivity of Circular Level	8′ / 2mm	10′ / 2mm	10′ / 2mm	10′ / 2mm	10′ / 2mm
Graduation lnterval of Circle	360° or 400 gon optional	360° or 400 gon optional	360° or 400 gon optional	360° or 400 gon optional	360° or 400 gon optional
Water and Dust Proof	IPX6	IPX6	IPX6	IPX6	IPX6
Standard Accessory	Manual, Allen Key, Adjusting Pin, Plastic Case	Manual, Allen Key, Adjusting Pin, Plastic Case	Manual, Allen Key, Adjusting Pin, Plastic Case	Manual, Allen Key, Adjusting Pin, Plastic Case	Manual, Allen Key, Adjusting Pin, Plastic Case
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